TopTracker - Beautiful, free time tracking
Workday - Workday is an on‑demand financial management and human capital management software solution.
Cattr - Cattr is a free open-source self-hosted time tracker with desktop clients for windows, mac, linux.
Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.
timeBuzzer - timeBuzzer enables freelancers and project-driven teams to track their time at the touch of a button, understand where their time goes and create reports with just a few clicks.
Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.